Trick 2:
Working for many people
So, in this trick you just need to send an sms and repeat sendind the sms 5 to 6 times.
Just send:
FACEBOOK to 54321
And get some kind of “link” from airtel and just “install” it and now the magic has happened and the tricks to unblock your blocked airtel sim has worked. Your sim is unblocked.

Trick 3:

Here is a simple logical trick to unblock your blocked airtel sim. Try this one if you got failure in above two tricks. Steps:
1. Deactivate All The Data Services ( 2G And 3G Both By Dailing 121 Or 198 )
2. Just Leave your Sim For at least 48 Hours. (Don’t use for 48 hours, no calling, no sms.. just switch off cell and remove sim)
3.Now Check That Whether your Getting Connected With apn – airtelgprs.com or Not
4. If you are Getting Some Errors While Connecting Then U Have Successfully Deactivated Data Services
5. Now The Final Step Just Activate Data Services By Dailing *567*11# And 3G Also By Sending sms 3G To 121..
6. All Done..All the real hosts mentioned in Trick 1 will be activated.

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